first-Round

What is the pH value of the human body?

• 2. 9.2 to 9.8

• 2. 7.0 to 7.8

• 2. 6.1 to 6.3

• 2. 5.4 to 5.6

Elections to panchayats in state are regulated by

•           

  Gram panchayat

• 2. Nagar Nigam

• 2. Election Commission of India

• 2. State Election Commission

Bio-chemical compounds are used as-

• skin-treatment

• Food preservatives   

• cooking oil

• All of the above

Which of the following is not green house gas?

• CO         

• O₃

• CH₄

• H₂O

What is the average of first 50 natural numbers?

• 25.30    

• 25.5

• 25.00   

• 12.25

Which of the following is the heaviest metal?

• Osmium        

• Mercury     

• Iron

• Nickel

Two numbers are in the ratio 4:5. If the sum of the numbers is 135. Find the numbers.

• 60 , 75  

• 50, 65    

• 70 , 95    

• 65 , 75

What is the probability of getting an even no. when a dice is rolled?

• 1/5                

• 1/2

• 1/3   

• 1/4

—— is the heart of the computer and this is where all the computing is done.

• Keyboard

• Mouse

• Central Processing Unit                     

• Printer

Computer Keyboard is an example of

• Input device

•     output device         

• input and output both

• none of  these